| Allicdata Part #: | ISL6423BERZ-T-ND |
| Manufacturer Part#: |
ISL6423BERZ-T |
| Price: | $ 1.26 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Intersil |
| Short Description: | IC VREG SGL LNB W/I2C 24-QFN |
| More Detail: | - Converter, Satellite Set-Top Box Designs Voltage... |
| DataSheet: |  ISL6423BERZ-T Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 1.26000 |
| 10 +: | $ 1.22220 |
| 100 +: | $ 1.19700 |
| 1000 +: | $ 1.17180 |
| 10000 +: | $ 1.13400 |
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Applications: | Converter, Satellite Set-Top Box Designs |
| Voltage - Input: | 8 V ~ 14 V |
| Number of Outputs: | 1 |
| Voltage - Output: | 13.3 V ~ 18.3 V, 14.3 V ~ 19.3 V |
| Operating Temperature: | -20°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 24-VFQFN Exposed Pad |
| Supplier Device Package: | 24-QFN-EP (4x4) |
| Base Part Number: | ISL6423 |
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Application field
The ISL6423BERZ-T is suitable for a wide range of applications, from medical devices to industrial automation, from consumer to computer and networking applications. It has very low quiescent current which makes it suitable for battery operated applications such as medical devices and portable consumer products. The wide range of 5V to 20V input voltage makes it suitable for a wide range of embedded systems.
Working principle
The ISL6423BERZ-T is a two-phase interleaved buck converter. Each phase comprises of a high-side MOSFET and a low-side MOSFET. The high-side MOSFET is controlled by the PWM signal, while the low-side MOSFET is driven by the current sense signal. The interleaving of the two phases reduces the input current ripple, resulting in higher efficiencies.The PWM signal is generated by the internal PWM comparator. The PWM comparator compares the error signal with the feedback signal, and if the error signal is greater than the feedback signal, the PWM comparator will generate a PWM signal to turn on the high-side MOSFET.The current sense signal is generated by the internal current sense amplifier, which amplifies the current sense signal from the sense resistor. The current sense amplifier is adjustable, so that the current limit can be set.The ISL6423BERZ-T provides protection features, including cycle-by-cycle current limiting and thermal shutdown. The device also features adjustable soft-start and adjustable frequency between 200kHz and 2.2MHz.
Conclusion
The ISL6423BERZ-T is a two-phase interleaved PWM synchronous buck converter. It is suitable for a wide variety of applications, from consumer to industrial, due to its low quiescent current and wide input and output voltage range. The device provides protection features and adjustable operating conditions, making it an ideal choice for embedded applications requiring high efficiency with low input and output voltage.
The specific data is subject to PDF, and the above content is for reference
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